5409820 has 24 divisors (see below), whose sum is σ = 12235104. Its totient is φ = 1997376.

The previous prime is 5409799. The next prime is 5409847. The reversal of 5409820 is 289045.

It is a happy number.

5409820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10144 + ... + 10663.

It is an arithmetic number, because the mean of its divisors is an integer number (509796).

Almost surely, 2^5409820 is an apocalyptic number.

It is an amenable number.

5409820 is an abundant number, since it is smaller than the sum of its proper divisors (6825284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5409820 is a wasteful number, since it uses less digits than its factorization.

5409820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20829 (or 20827 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 5409820 is about 2325.9019755785. The cubic root of 5409820 is about 175.5473475009.

The spelling of 5409820 in words is "five million, four hundred nine thousand, eight hundred twenty".